I suppose I was lucky. My doctor did not put me on a "pre-op" diet so to speak, just told me he would like to see me lose a few before the surgery and if I gained he would not do the surgery, so I was careful for a week and the day before my surgery had lost 6 pounds. I only had to do the clear liquid diet for one day prior to surgery. I hear a lot of people complaining about the pre-op diet, but it basically mirrors the full liquid diet you will be on after surgery, which trust me, you won't even be hungry for. Hang in there.